ASTM D6367-12
(Specification)Standard Specification for AMS (α-Methylstyrene)
Standard Specification for AMS (α-Methylstyrene)
ABSTRACT
This specification establishes the requirements for AMS (alpha-Methylstyrene). Sampled specimens shall conform to the following physical and chemical properties: minimum AMS content; maximum phenol content; maximum polymer content; inhibitor content; appearance; and color (Pt-Co units).
SCOPE
1.1 This specification covers AMS (α-Methylstyrene).
1.2 The following applies to all limits in this specification: for purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 Consult current OSHA regulations, suppliers' Material Safety Data Sheets, and local regulations for all materials used in this specification.
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Designation:D6367 −12
StandardSpecification for
1
AMS (α-Methylstyrene)
This standard is issued under the fixed designation D6367; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* mer and AMS (α–Methylstyrene)
D3160 Test Method for Phenol Content of Cumene (Isopro-
1.1 This specification covers AMS (α-Methylstyrene).
pylbenzene) or AMS (α–Methylstyrene)
1.2 The following applies to all limits in this specification:
D3437 Practice for Sampling and Handling Liquid Cyclic
for purposes of determining conformance with this
Products
specification, an observed value or a calculated value shall be
D4590 Test Method for Colorimetric Determination of
rounded off “to the nearest unit” in the last right-hand digit
p-tert-Butylcatechol In Styrene Monomer or AMS
used in expressing the specification limit, in accordance with
(α–Methylstyrene) by Spectrophotometry
the rounding-off method of Practice E29.
D5386 Test Method for Color of Liquids Using Tristimulus
Colorimetry
1.3 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this D6144 Test Method forAnalysis ofAMS (α-Methylstyrene)
by Capillary Gas Chromatography
standard.
E29 Practice for Using Significant Digits in Test Data to
1.4 Consult current OSHA regulations, suppliers’ Material
Determine Conformance with Specifications
Safety Data Sheets, and local regulations for all materials used
2.2 Other Documents:
in this specification.
OSHA Regulations 29 CFR paragraphs 1910.1000 and
3
1910.1200
2. Referenced Documents
2
2.1 ASTM Standards:
3. Properties
D1209 Test Method for Color of Clear Liquids (Platinum-
3.1 AMS shall conform to the requirements shown in
Cobalt Scale)
Table 1.
D2121 Test Methods for Polymer Content of Styrene Mono-
4. Sampling
1
4.1 Sample the material in accordance with Practice D3437.
This specification is under the jurisdiction of ASTM Committee D16 on
Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of
Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic 5. Keywords
Hydrocarbons.
5.1 α-Methylstyrene; AMS; catechol; TBC; tertiary-butyl
Current edition approved Dec. 1, 2012. Published December 2012. Originally
approved in 1999. Last previous edition approved in 2008 as D6367 – 04 (2008). catechol
DOI: 10.1520/D6367-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contac
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D6367 − 04 (Reapproved 2008) D6367 − 12
Standard Specification for
1
AMS (α-Methylstyrene)
This standard is issued under the fixed designation D6367; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Scope*
1.1 This specification covers AMS (α-Methylstyrene).
1.2 The following applies to all limits in this specification: for purposes of determining conformance with this specification, an
observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the
specification limit, in accordance with the rounding-off method of Practice E29.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 Consult current OSHA regulations, suppliers’ Material Safety Data Sheets, and local regulations for all materials used in
this specification.
2. Referenced Documents
2
2.1 ASTM Standards:
D1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D2121 Test Methods for Polymer Content of Styrene Monomer and AMS (α–Methylstyrene)
D3160 Test Method for Phenol Content of Cumene (Isopropylbenzene) or AMS (α–Methylstyrene)
D3437 Practice for Sampling and Handling Liquid Cyclic Products
D4590 Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (α–Methylstyrene) by
Spectrophotometry
D5386 Test Method for Color of Liquids Using Tristimulus Colorimetry
D6144 Test Method for Analysis of AMS (α-Methylstyrene) by Capillary Gas Chromatography
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
2.2 Other Documents:
3
OSHA Regulations 29 CFR paragraphs 1910.1000 and 1910.1200
3. Properties
3.1 AMS shall conform to the requirements shown in
Table 1.
4. Sampling
4.1 Sample the material in accordance with Practice D3437.
5. Keywords
5.1α-Methylstyrene; AMS; catechol; TBC; tertiary-butyl catechol
1
This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of Subcommittee
D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic Hydrocarbons.
Current edition approved July 1, 2008Dec. 1, 2012. Published July 2008December 2012. Originally approved in 1999. Last previous edition approved in 20042
...
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